MARY GAINES WALKER IRISH M.D.
NPI 1730590225
Hospitalist in Temple, TX
About Mary Gaines Walker Irish M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY GAINES WALKER IRISH M.D. (NPI 1730590225) is an individual hospitalist provider in Temple, Texas, licensed in Texas (R2131) and active in the NPI registry since May 2014. She is enrolled in Medicare PECOS, is affiliated with Bon Secours-st Francis Xavier Hospital, and is a graduate of East Tennessee State University Quillen College Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Gaines Walker Irish M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Mary Irish reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Shelbyville, TN 37160
- Reassigned Medicare billing, Tennessee enrollment
- 498 clinicians in this Medicare group
Jamestown, TN 38556
- Reassigned Medicare billing, Tennessee enrollment
- 832 clinicians in this Medicare group
Monroe, GA 30655
- Reassigned Medicare billing, South Carolina enrollment
- 311 clinicians in this Medicare group
Tampa, FL 33602
- Reassigned Medicare billing, South Carolina and Texas enrollments
- 6 clinicians in this Medicare group
Charleston, SC 29401
- Reassigned Medicare billing, South Carolina enrollment
- 281 clinicians in this Medicare group
Mt Pleasant, SC 29464
- Reassigned Medicare billing, South Carolina enrollment
- 15 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bon Secours-St Francis Xavier Hospital
Acute Care Hospitals · Charleston, SCTrident Medical Center
Acute Care Hospitals · Charleston, SCRoper Hospital
Acute Care Hospitals · Charleston, SCMount Pleasant Hospital
Acute Care Hospitals · Mount Pleasant, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 76508 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Irish's NPI number?
The NPI number for Mary Irish is 1730590225. It was assigned to this individual provider in the NPPES registry on May 19, 2014.
Where is Mary Irish located?
Mary Irish practices at 2401 S 31st St, Temple, TX 76508. The listed phone number is (254) 724-2364.
What is Mary Irish's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mary Irish enrolled in Medicare?
Yes. Mary Irish is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mary Irish's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Irish reassigns Medicare benefits to 6 organizations: App Of Tennessee Hm, PLLC (Shelbyville, TN), University Health System, Inc (Jamestown, TN), Hospital Physician Services - Southeast Professional Corporation (Monroe, GA), Circle Medical Care Group PA (Tampa, FL), 24 On Physicians Of Sc, LLC (Charleston, SC) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Irish's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Irish accept?
Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare, Imperial Insurance Companies, Inc. and Oscar Insurance Company list Mary Irish as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mary Irish affiliated with any hospitals?
According to CMS data, Mary Irish is affiliated with Bon Secours-St Francis Xavier Hospital, Trident Medical Center, Roper Hospital and Mount Pleasant Hospital.
When was this NPI record last updated?
The NPPES record for Mary Irish was last updated on June 12, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mary Gaines Walker Irish, M.D. · NPI 1730590225
Hospitalist physician in Temple, Texas. Individual provider, active in the CMS NPPES registry since May 19, 2014.
## Identity
- **NPI:** 1730590225 (Entity type: Individual)
- **Enumerated:** May 19, 2014
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** R2131 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2401 S 31ST ST, Temple, TX 76508-0001
- **Phone:** (254) 724-2364
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): App Of Tennessee Hm, PLLC (NPI 1396160768, Shelbyville, TN); University Health System, Inc (NPI 1669164307, Jamestown, TN); Hospital Physician Services - Southeast Professional Corporation (NPI 1760410385, Monroe, GA); Circle Medical Care Group PA (NPI 1972358760, Tampa, FL); 24 On Physicians Of Sc, LLC (NPI 1144877655, Charleston, SC); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** East Tennessee State University Quillen College Of Medicine, class of 2014
## Record status
- **NPPES last updated:** June 12, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1730590225) · Data from the CMS NPPES public registry.